propanone to propene
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CH3-CO-CH3 =propanone
Ch2=CH-CH3 = propene
Ch2=CH-CH3 = propene
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Explanation :
In the conversion of propanone to propene, two steps are involved.
Step 1 : Reduction with metal hydride.
When propanone react with the metal hydride like lithium aluminumhydride , it reduces the ketone into secondary alcohol and the product form is propan-2-ol.
Step 2 : Dehydration of secondary alcohol.
When propan-2-ol on heating with concentrated sulfuric acid result in elimination of water molecule to form propene as a product.
The reactions are shown below.
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